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89657082 = 232172312739
BaseRepresentation
bin1010101100000…
…00111011111010
320020201001101200
411112000323322
5140423011312
612521355030
72136033624
oct526007372
9206631350
1089657082
1146677769
1226038a76
1315761b38
14bc9bc14
157d100dc
hex5580efa

89657082 has 48 divisors (see below), whose sum is σ = 214643520. Its totient is φ = 26902656.

The previous prime is 89657081. The next prime is 89657089. The reversal of 89657082 is 28075698.

It is not an unprimeable number, because it can be changed into a prime (89657081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 669 + ... + 13407.

It is an arithmetic number, because the mean of its divisors is an integer number (4471740).

Almost surely, 289657082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89657082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107321760).

89657082 is an abundant number, since it is smaller than the sum of its proper divisors (124986438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89657082 is a wasteful number, since it uses less digits than its factorization.

89657082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12787 (or 12784 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 89657082 is about 9468.7423663336. The cubic root of 89657082 is about 447.5705819611.

The spelling of 89657082 in words is "eighty-nine million, six hundred fifty-seven thousand, eighty-two".

Divisors: 1 2 3 6 9 17 18 23 34 46 51 69 102 138 153 207 306 391 414 782 1173 2346 3519 7038 12739 25478 38217 76434 114651 216563 229302 292997 433126 585994 649689 878991 1299378 1757982 1949067 2636973 3898134 4980949 5273946 9961898 14942847 29885694 44828541 89657082